B12 injection strength Vs B12 tablets ?

[Ryaan]

How much is 1ml off B12 injection equipment to Vs B12 tablets ?

I’m talking about the standard 1ml injection. I think the highest strength of tablets I’ve seen is 5000......5000 what ?.....I don’t know, but if there was any tablets equivalent to the injection what strength tablet would that be if there ever was one?.......Anyone know ?

It would be interesting just to know how strong the injection is.

[pvanderaa]

5000 mcg = 5 mg

Since tablets are taken by mouth, if a person has an absorption problem in the gut, very little will get into the blood stream.

Sublinguals (methyl-b12) are also taken by mouth but are supposed to dissolve under the tongue for partial absorption directly into the blood before being swallowed. Not very efficient either. I find these give me a boost for a couple of hours tops.

My weekly injections (cyano) keep me going for a couple of days. So I use 4x 5000 mcg sublinguals spaced throughout the day to fill in.

[fbirder]

The amount of B12 in an injection is normally 1000 mcg.

The tablets will have the amount inside them listed in mcg. So a 5000 mcg tablet will have five times as much as a single injection. However...

Not all of the B12 in a tablet will make it into the body. In a healthy person the maximum amount of B12 that can be absorbed from a single meal (or tablet) is 10 to 20 mcg. The same amount of a sublingual dose is absorbed. For skin patches about 0 mcg is absorbed.

If you have PA, or another absorption problem, then the amount absorbed is even smaller.

You might ask why they sell tablets with 1000, 5000, even 10,000 mcg in them? It's because most people believe 'if some is good, more must be better'. And because the actual B12 is a tiny fraction of the ingredients in a tablet (normally, less than 1%) it doesn't really cost much more to make a 5000 mcg tablet compared to a 1000 mcg tablet.

So there is no real equivalence between an injection and tablets.